diff --git a/tools/aapt2/Android.mk b/tools/aapt2/Android.mk
index 197884dcf85ce..1efd2ed6446cb 100644
--- a/tools/aapt2/Android.mk
+++ b/tools/aapt2/Android.mk
@@ -194,14 +194,14 @@ include $(BUILD_HOST_STATIC_LIBRARY)
 include $(CLEAR_VARS)
 LOCAL_MODULE := libaapt2_jni
 LOCAL_MODULE_CLASS := SHARED_LIBRARIES
-LOCAL_MODULE_HOST_OS := darwin linux
+LOCAL_MODULE_HOST_OS := darwin linux windows
 LOCAL_CFLAGS := $(cFlags)
 LOCAL_CFLAGS_darwin := $(cFlags_darwin)
 LOCAL_CFLAGS_windows := $(cFlags_windows)
 LOCAL_CPPFLAGS := $(cppFlags)
 LOCAL_C_INCLUDES := $(protoIncludes)
 LOCAL_SRC_FILES := $(toolSources) $(sourcesJni)
-LOCAL_STATIC_LIBRARIES := libaapt2 libnativehelper $(hostStaticLibs)
+LOCAL_STATIC_LIBRARIES := libaapt2 $(hostStaticLibs)
 LOCAL_STATIC_LIBRARIES_windows := $(hostStaticLibs_windows)
 LOCAL_LDLIBS := $(hostLdLibs)
 LOCAL_LDLIBS_darwin := $(hostLdLibs_darwin)
diff --git a/tools/aapt2/jni/ScopedUtfChars.h b/tools/aapt2/jni/ScopedUtfChars.h
new file mode 100644
index 0000000000000..a8c4b136dcf64
--- /dev/null
+++ b/tools/aapt2/jni/ScopedUtfChars.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SCOPED_UTF_CHARS_H_included
+#define SCOPED_UTF_CHARS_H_included
+
+#include <string.h>
+#include <jni.h>
+
+#include "android-base/logging.h"
+
+// This file was copied with some minor modifications from libnativehelper.
+// As soon as libnativehelper can be compiled for Windows, this file should be
+// replaced with libnativehelper's implementation.
+class ScopedUtfChars {
+ public:
+  ScopedUtfChars(JNIEnv* env, jstring s) : env_(env), string_(s) {
+    CHECK(s != nullptr);
+    utf_chars_ = env->GetStringUTFChars(s, nullptr);
+  }
+
+  ScopedUtfChars(ScopedUtfChars&& rhs) :
+      env_(rhs.env_), string_(rhs.string_), utf_chars_(rhs.utf_chars_) {
+    rhs.env_ = nullptr;
+    rhs.string_ = nullptr;
+    rhs.utf_chars_ = nullptr;
+  }
+
+  ~ScopedUtfChars() {
+    if (utf_chars_) {
+      env_->ReleaseStringUTFChars(string_, utf_chars_);
+    }
+  }
+
+  ScopedUtfChars& operator=(ScopedUtfChars&& rhs) {
+    if (this != &rhs) {
+      // Delete the currently owned UTF chars.
+      this->~ScopedUtfChars();
+
+      // Move the rhs ScopedUtfChars and zero it out.
+      env_ = rhs.env_;
+      string_ = rhs.string_;
+      utf_chars_ = rhs.utf_chars_;
+      rhs.env_ = nullptr;
+      rhs.string_ = nullptr;
+      rhs.utf_chars_ = nullptr;
+    }
+    return *this;
+  }
+
+  const char* c_str() const {
+    return utf_chars_;
+  }
+
+  size_t size() const {
+    return strlen(utf_chars_);
+  }
+
+  const char& operator[](size_t n) const {
+    return utf_chars_[n];
+  }
+
+ private:
+  JNIEnv* env_;
+  jstring string_;
+  const char* utf_chars_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedUtfChars);
+};
+
+#endif  // SCOPED_UTF_CHARS_H_included
diff --git a/tools/aapt2/jni/aapt2_jni.cpp b/tools/aapt2/jni/aapt2_jni.cpp
index 211ada8db078a..b03b4b27b047a 100644
--- a/tools/aapt2/jni/aapt2_jni.cpp
+++ b/tools/aapt2/jni/aapt2_jni.cpp
@@ -22,7 +22,7 @@
 #include <vector>
 
 #include "android-base/logging.h"
-#include "nativehelper/ScopedUtfChars.h"
+#include "ScopedUtfChars.h"
 
 #include "util/Util.h"